Four-Season Sunrooms
Enjoy your sunroom all year round with climate-controlled comfort and energy-efficient design.

A four-season sunroom is the ultimate upgrade for your Thousand Oaks home. Unlike traditional sunrooms that sit unused during California's cooler months, a four-season room is built to handle any weather. That means you can enjoy your space year-round, whether it's a warm summer evening or a rare chilly winter day.
We build four-season sunrooms with insulated glass, thermally broken framing, and proper climate control so you stay comfortable no matter what's happening outside. These rooms are designed to maintain consistent temperatures, reduce energy costs, and give you a functional space that truly feels like part of your home.
Our team has been building four-season sunrooms in Thousand Oaks since 2024, and we understand what works in this climate. From custom sunroom design to final installation, we handle every step so you don't have to worry about a thing.
What Makes a Four-Season Sunroom Different
The main difference between a four-season sunroom and other types comes down to insulation and climate control. While three-season rooms are great for spring through fall, they don't have the insulation needed for extreme temperatures. Four-season sunrooms are built like an extension of your home, not just an outdoor add-on.
Here's what sets a four-season sunroom apart:
- •Insulated Glass: Double or triple-pane windows with low-E coatings keep heat in during winter and out during summer.
- •Thermally Broken Frames: Frames are designed to prevent heat transfer, making your sunroom more energy-efficient.
- •HVAC Ready: Most four-season sunrooms can connect to your home's heating and cooling system or use standalone units.
- •Solid Roof Options: Choose from insulated roofs or glass roofs with proper thermal barriers for year-round comfort.
These features make four-season sunrooms perfect for anyone who wants to use their space every single day, no matter the weather.
Benefits for Thousand Oaks Homeowners
Living in Thousand Oaks means you already enjoy mild weather most of the year, but a four-season sunroom takes your outdoor living to the next level. Here's why local homeowners choose this option.
Year-Round Usability
You're not limited to just warm months. Whether you're hosting a holiday gathering or relaxing on a rainy afternoon, your four-season sunroom is always ready.
Increased Home Value
Adding a four-season sunroom is one of the smartest investments you can make. It increases your square footage, boosts curb appeal, and gives potential buyers a feature they'll love. Plus, it's way more affordable than traditional home additions.
Energy Efficiency
With modern insulation and energy-efficient glass, your four-season sunroom won't drive up your utility bills. In fact, many homeowners find that their sunrooms help regulate temperatures in adjacent rooms, reducing overall energy use.
If you're considering other options, check out our three-season sunrooms or learn about patio enclosure installation to see what might work best for your needs.
Ready to Build Your Four-Season Sunroom?
Let's talk about your project. We'll walk you through the design process, answer your questions, and give you a free quote.
(805) 906-7459